Simultaneous Nadir Overpasses (SNOs) between FY3D and TERRA
TLE Epoch: 2020 6 30.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2020   08:53:58   ( -68.96,-134.29) 07/01/2020   08:55:03  ( -68.96,-134.27)    0.99                65
 07/01/2020   09:44:41   (  68.82,  33.21) 07/01/2020   09:44:31  (  68.80,  33.17)    3.30                10
 07/01/2020   10:35:17   ( -68.42,-158.94) 07/01/2020   10:34:05  ( -68.46,-159.60)   27.44                72
 07/04/2020   01:10:21   ( -68.94, -18.35) 07/04/2020   01:11:32  ( -68.95, -18.39)    1.84                71
 07/04/2020   02:01:05   (  68.86, 149.07) 07/04/2020   02:00:59  (  68.84, 149.11)    3.28                 6
 07/04/2020   02:51:44   ( -68.62, -43.29) 07/04/2020   02:50:30  ( -68.68, -43.46)    9.44                74
 07/06/2020   17:26:47   ( -69.09,  97.36) 07/06/2020   17:27:59  ( -69.05,  97.61)   10.86                72
 07/06/2020   18:17:28   (  68.85, -95.01) 07/06/2020   18:17:27  (  68.88, -94.96)    3.17                 1
 07/06/2020   19:08:09   ( -68.71,  72.50) 07/06/2020   19:06:58  ( -68.72,  72.47)    1.51                71
 07/09/2020   09:43:13   ( -69.28,-147.01) 07/09/2020   09:44:24  ( -69.19,-146.32)   28.94                71
 07/09/2020   10:33:50   (  68.84,  20.92) 07/09/2020   10:33:55  (  68.85,  20.89)    1.51                 5
 07/09/2020   11:24:32   ( -68.75,-171.64) 07/09/2020   11:23:25  ( -68.76,-171.60)    1.69                67
 07/12/2020   01:59:40   ( -69.48, -31.38) 07/12/2020   02:00:50  ( -69.34, -30.25)   47.15                70
 07/12/2020   02:50:14   (  68.89, 136.77) 07/12/2020   02:50:23  (  68.88, 136.81)    1.88                 9
 07/12/2020   03:40:55   ( -68.74, -55.71) 07/12/2020   03:39:54  ( -68.73, -55.75)    1.67                61